He served as 38th Prime Minister of Italy , from to , and then from to He was one of Italy's longest-serving post-war Prime Ministers, holding power for a combined total of more than six years. Due to his accommodation with the Communist leader Enrico Berlinguer , known as the Historic Compromise , Moro is widely considered one of the most prominent fathers of the Italian centre-left and one of the greatest and most popular leaders in the history of the Italian Republic. Moro was considered an intellectual and a patient mediator, especially in the internal life of his party.